Draft recommendation for determination of fracture energy in forward shear along the grain in wood

1995 ◽  
Vol 28 (8) ◽  
pp. 482-487

2015 ◽  
Vol 133 (1) ◽  
pp. n/a-n/a ◽  
Author(s):  
Florence Dubelley ◽  
Emilie Planes ◽  
Corine Bas ◽  
Bernard Yrieix ◽  
Lionel Flandin


1990 ◽  
Vol 35 (4-5) ◽  
pp. 679-685 ◽  
Author(s):  
Shuangzeng Yin ◽  
Qiyu Zhai
Keyword(s):  


2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
V. Alfred Franklin ◽  
T. Christopher

The experimental determination of the resistance to delamination is very important in aerospace applications as composite materials have superior properties only in the fiber direction. To measure the interlaminar fracture toughness of composite materials, different kinds of specimens and experimental methods are available. This article examines the fracture energy of four-point end-notched flexure (4ENF) composite specimens made of carbon/epoxy and glass/epoxy. Experiments were conducted on these laminates and the mode II fracture energy, GIIC, was evaluated using compliance method and was compared with beam theory solution. The crack growth resistance curve (R-curve) for these specimens was generated and the found glass/epoxy shows higher toughness values than carbon/epoxy composite. From this study, it was observed that R-curve effect in 4ENF specimens is quite mild, which means that the measured delamination toughness, GIIC, is more accurate.





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